Home / 824,296.80-1,236,445.20-741,628.20

Finding the Fourth Proportional to 824,296.80, 1,236,445.20 and 741,628.20

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Solution

The fourth proportional to 824,296.80, 1,236,445.20 and 741,628.20 is: 1,112,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,296.80 : 1,236,445.20 = 741,628.20 : x
  2. Step 2: Convert to fraction form
    824,296.80/1,236,445.20 = 741,628.20/x
  3. Step 3: Cross multiply
    824,296.80x = 1,236,445.20 × 741,628.20
  4. Step 4: Simplify right side
    824,296.80x = 916,982,628,074.64
  5. Step 5: Solve for x
    x = 916,982,628,074.64/824,296.80
  6. Step 6: Final answer
    x = 1,112,442.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.